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Aging and Cracking of Composite GFRC Wall Panel Skins on Metal Stud Frames in the United States
Published in R. N. Swamy, Fibre Reinforced Cement and Concrete, 1992
D. W. Pfeifer, E. A. Rogalla, W. J. Nugent
Composite glass fiber reinforced concrete panels (GFRC) have been used in the United States to provide an architecturally pleasing facade that is lightweight and versatile. Typical fabrication involves first fabricating the outside face of the wall panel skins with either exposed aggregate face mix concrete, ceramic tile, terra cotta or brick. GFRC is then sprayed against these materials to form the second composite layer. The total design skin thickness is usually 19 to 25 mm (0.75 to 1.0 in.). A light gage metal stud framing system is attached to the GFRC layer for later attachment to a building frame.
Development of a maturity method for GFRC shell concretes with different fiber ratios
Published in European Journal of Environmental and Civil Engineering, 2022
Muhammed Marasli, Serkan Subasi, Heydar Dehghanpour
Considering the use of fiber-reinforced concrete in industry, especially in architectural applications and non-structural studies where the concept of aesthetics come to the fore, concrete or mortars reinforced with alkali-resistant fibers have found a very common application area. Glass fiber reinforced concrete (GFRC) ensures that both classical architectural forms can be easily made and modern facade cladding designed in 3 D can be made in desired sizes and forms with pre-production methods. The use of maturity method in the production of GFRC, developing a model for the prediction of early age flexural and compressive strength of the products is extremely beneficial for the quality of the products. In this study, mathematical models have been developed using the maturity method to estimate the flexural and compressive strengths of glass fiber added cementitious composites produced for shell and facade cladding elements.